#include<stdio.h>
int main()
{
    char ch = 'A';
	printf("%c\n", ch);
	int age = 20; 
	printf("%d\n", age);
    float f = 5.1;
	printf("%f\n", f);
	double n = 2.41;
	printf("%f\n", n);
	printf("%d\n", sizeof(char)); 
	printf("%d\n", sizeof(short));
	printf("%d\n", sizeof(int));
	printf("%d\n", sizeof(long));
	printf("%d\n", sizeof(long long));
	printf("%d\n", sizeof(float));
	printf("%d\n", sizeof(double));
	printf("A\n");
	return 0;

}